/*  
 *  Copyright 2006 Paul Jack.
 *
 *  This file is part of the Dex compiler suite. 
 *  
 *  Dex is free software; you can redistribute it and/or modify it
 *  under the terms of the GNU General Public License as published by the
 *  Free Software Foundation; either version 2 of the License, or (at your
 *  option) any later version.
 *  
 *  Dex is distributed in the hope that it will be useful, but
 *  WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 *  Public License for more details.
 *  
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */
package dex.compiler.model.statement;


import dex.compiler.model.base.Place;
import dex.compiler.model.expression.Expression;


/**
 * A throw statement, such as <code>throw e</code>.
 */
public class ThrowStatement extends Statement {

	
	/**
	 * The expression to throw.
	 */
	private Expression expression;
	
	
	/**
	 * Constructs a new throw statement.
	 * 
	 * @param place  the place where the throw statement originated
	 * @param expression  the expression to throw
	 */
	public ThrowStatement(Place place, Expression expression) {
		super(place);
		if (expression == null) {
			throw new IllegalArgumentException("expression may not be null");
		}
		this.expression = expression;
	}

	@Override
	public String toString() {
		return "throw " + expression;
	}

	
	
	/**
	 * Returns the expression to throw.
	 * 
	 * @return  the expression to throw
	 */
	public Expression getExpression() {
		return expression;
	}


	@Override
	public boolean terminates() {
		return true;
	}


}
